About: http://webisa.webdatacommons.org/60100727

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The possibility to skip locked rows with a cursor might be an option, especially if the cursor is returned from a stored procedure as a REF CURSOR (if he is even possible).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com